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arm.md (andsi_iorsi3_notsi): Convert define_insn into define_insn_and_split. 

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (andsi_iorsi3_notsi): Convert define_insn into
	define_insn_and_split.
	(arm_negdi2,arm_abssi2,arm_neg_abssi2): Likewise.
	(arm_cmpdi_insn,arm_cmpdi_unsigned): Likewise.

From-SVN: r197522
This commit is contained in:
Greta Yorsh 2013-04-05 16:52:25 +01:00 committed by Greta Yorsh
parent b0b4955636
commit 3f3bf1a8bf
2 changed files with 175 additions and 16 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2013-04-05 Greta Yorsh <Greta.Yorsh@arm.com>
* config/arm/arm.md (andsi_iorsi3_notsi): Convert define_insn into
define_insn_and_split.
(arm_negdi2,arm_abssi2,arm_neg_abssi2): Likewise.
(arm_cmpdi_insn,arm_cmpdi_unsigned): Likewise.
2013-04-05 Greta Yorsh <Greta.Yorsh@arm.com>
* config/arm/arm.md (arm_subdi3): Convert define_insn into

184
gcc/config/arm/arm.md
View File

@ -3215,13 +3215,17 @@
""
)
(define_insn "*andsi_iorsi3_notsi"
(define_insn_and_split "*andsi_iorsi3_notsi"
[(set (match_operand:SI 0 "s_register_operand" "=&r,&r,&r")
(and:SI (ior:SI (match_operand:SI 1 "s_register_operand" "%0,r,r")
(match_operand:SI 2 "arm_rhs_operand" "rI,0,rI"))
(not:SI (match_operand:SI 3 "arm_rhs_operand" "rI,rI,rI"))))]
"TARGET_32BIT"
"orr%?\\t%0, %1, %2\;bic%?\\t%0, %0, %3"
"#" ; "orr%?\\t%0, %1, %2\;bic%?\\t%0, %0, %3"
"&& reload_completed"
[(set (match_dup 0) (ior:SI (match_dup 1) (match_dup 2)))
(set (match_dup 0) (and:SI (not:SI (match_dup 3)) (match_dup 0)))]
""
[(set_attr "length" "8")
(set_attr "ce_count" "2")
(set_attr "predicable" "yes")]
@ -4273,12 +4277,24 @@
;; The constraints here are to prevent a *partial* overlap (where %Q0 == %R1).
;; The first alternative allows the common case of a *full* overlap.
(define_insn "*arm_negdi2"
(define_insn_and_split "*arm_negdi2"
[(set (match_operand:DI 0 "s_register_operand" "=r,&r")
(neg:DI (match_operand:DI 1 "s_register_operand" "0,r")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_ARM"
"rsbs\\t%Q0, %Q1, #0\;rsc\\t%R0, %R1, #0"
"#" ; "rsbs\\t%Q0, %Q1, #0\;rsc\\t%R0, %R1, #0"
"&& reload_completed"
[(parallel [(set (reg:CC CC_REGNUM)
(compare:CC (const_int 0) (match_dup 1)))
(set (match_dup 0) (minus:SI (const_int 0) (match_dup 1)))])
(set (match_dup 2) (minus:SI (minus:SI (const_int 0) (match_dup 3))
(ltu:SI (reg:CC_C CC_REGNUM) (const_int 0))))]
{
operands[2] = gen_highpart (SImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
operands[3] = gen_highpart (SImode, operands[1]);
operands[1] = gen_lowpart (SImode, operands[1]);
}
[(set_attr "conds" "clob")
(set_attr "length" "8")]
)
@ -4346,14 +4362,67 @@
operands[2] = gen_rtx_REG (CCmode, CC_REGNUM);
")
(define_insn "*arm_abssi2"
(define_insn_and_split "*arm_abssi2"
[(set (match_operand:SI 0 "s_register_operand" "=r,&r")
(abs:SI (match_operand:SI 1 "s_register_operand" "0,r")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_ARM"
"@
cmp\\t%0, #0\;rsblt\\t%0, %0, #0
eor%?\\t%0, %1, %1, asr #31\;sub%?\\t%0, %0, %1, asr #31"
"#"
"&& reload_completed"
[(const_int 0)]
{
/* if (which_alternative == 0) */
if (REGNO(operands[0]) == REGNO(operands[1]))
{
/* Emit the pattern:
cmp\\t%0, #0\;rsblt\\t%0, %0, #0
[(set (reg:CC CC_REGNUM)
(compare:CC (match_dup 0) (const_int 0)))
(cond_exec (lt:CC (reg:CC CC_REGNUM) (const_int 0))
(set (match_dup 0) (minus:SI (const_int 0) (match_dup 1))))]
*/
emit_insn (gen_rtx_SET (VOIDmode,
gen_rtx_REG (CCmode, CC_REGNUM),
gen_rtx_COMPARE (CCmode, operands[0], const0_rtx)));
emit_insn (gen_rtx_COND_EXEC (VOIDmode,
(gen_rtx_LT (SImode,
gen_rtx_REG (CCmode, CC_REGNUM),
const0_rtx)),
(gen_rtx_SET (VOIDmode,
operands[0],
(gen_rtx_MINUS (SImode,
const0_rtx,
operands[1]))))));
DONE;
}
else
{
/* Emit the pattern:
alt1: eor%?\\t%0, %1, %1, asr #31\;sub%?\\t%0, %0, %1, asr #31
[(set (match_dup 0)
(xor:SI (match_dup 1)
(ashiftrt:SI (match_dup 1) (const_int 31))))
(set (match_dup 0)
(minus:SI (match_dup 0)
(ashiftrt:SI (match_dup 1) (const_int 31))))]
*/
emit_insn (gen_rtx_SET (VOIDmode,
operands[0],
gen_rtx_XOR (SImode,
gen_rtx_ASHIFTRT (SImode,
operands[1],
GEN_INT (31)),
operands[1])));
emit_insn (gen_rtx_SET (VOIDmode,
operands[0],
gen_rtx_MINUS (SImode,
operands[0],
gen_rtx_ASHIFTRT (SImode,
operands[1],
GEN_INT (31)))));
DONE;
}
}
[(set_attr "conds" "clob,*")
(set_attr "shift" "1")
(set_attr "predicable" "no, yes")
@ -4374,14 +4443,56 @@
[(set_attr "length" "6")]
)
(define_insn "*arm_neg_abssi2"
(define_insn_and_split "*arm_neg_abssi2"
[(set (match_operand:SI 0 "s_register_operand" "=r,&r")
(neg:SI (abs:SI (match_operand:SI 1 "s_register_operand" "0,r"))))
(clobber (reg:CC CC_REGNUM))]
"TARGET_ARM"
"@
cmp\\t%0, #0\;rsbgt\\t%0, %0, #0
eor%?\\t%0, %1, %1, asr #31\;rsb%?\\t%0, %0, %1, asr #31"
"#"
"&& reload_completed"
[(const_int 0)]
{
/* if (which_alternative == 0) */
if (REGNO (operands[0]) == REGNO (operands[1]))
{
/* Emit the pattern:
cmp\\t%0, #0\;rsbgt\\t%0, %0, #0
*/
emit_insn (gen_rtx_SET (VOIDmode,
gen_rtx_REG (CCmode, CC_REGNUM),
gen_rtx_COMPARE (CCmode, operands[0], const0_rtx)));
emit_insn (gen_rtx_COND_EXEC (VOIDmode,
gen_rtx_GT (SImode,
gen_rtx_REG (CCmode, CC_REGNUM),
const0_rtx),
gen_rtx_SET (VOIDmode,
operands[0],
(gen_rtx_MINUS (SImode,
const0_rtx,
operands[1])))));
}
else
{
/* Emit the pattern:
eor%?\\t%0, %1, %1, asr #31\;rsb%?\\t%0, %0, %1, asr #31
*/
emit_insn (gen_rtx_SET (VOIDmode,
operands[0],
gen_rtx_XOR (SImode,
gen_rtx_ASHIFTRT (SImode,
operands[1],
GEN_INT (31)),
operands[1])));
emit_insn (gen_rtx_SET (VOIDmode,
operands[0],
gen_rtx_MINUS (SImode,
gen_rtx_ASHIFTRT (SImode,
operands[1],
GEN_INT (31)),
operands[0])));
}
DONE;
}
[(set_attr "conds" "clob,*")
(set_attr "shift" "1")
(set_attr "predicable" "no, yes")
@ -7736,23 +7847,64 @@
;; if-conversion can not reduce to a conditional compare, so we do
;; that directly.
(define_insn "*arm_cmpdi_insn"
(define_insn_and_split "*arm_cmpdi_insn"
[(set (reg:CC_NCV CC_REGNUM)
(compare:CC_NCV (match_operand:DI 0 "s_register_operand" "r")
(match_operand:DI 1 "arm_di_operand" "rDi")))
(clobber (match_scratch:SI 2 "=r"))]
"TARGET_32BIT"
"cmp\\t%Q0, %Q1\;sbcs\\t%2, %R0, %R1"
"#" ; "cmp\\t%Q0, %Q1\;sbcs\\t%2, %R0, %R1"
"&& reload_completed"
[(set (reg:CC CC_REGNUM)
(compare:CC (match_dup 0) (match_dup 1)))
(parallel [(set (reg:CC CC_REGNUM)
(compare:CC (match_dup 3) (match_dup 4)))
(set (match_dup 2)
(minus:SI (match_dup 5)
(ltu:SI (reg:CC_C CC_REGNUM) (const_int 0))))])]
{
operands[3] = gen_highpart (SImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
if (CONST_INT_P (operands[1]))
{
operands[4] = GEN_INT (~INTVAL (gen_highpart_mode (SImode,
DImode,
operands[1])));
operands[5] = gen_rtx_PLUS (SImode, operands[3], operands[4]);
}
else
{
operands[4] = gen_highpart (SImode, operands[1]);
operands[5] = gen_rtx_MINUS (SImode, operands[3], operands[4]);
}
operands[1] = gen_lowpart (SImode, operands[1]);
operands[2] = gen_lowpart (SImode, operands[2]);
}
[(set_attr "conds" "set")
(set_attr "length" "8")]
)
(define_insn "*arm_cmpdi_unsigned"
(define_insn_and_split "*arm_cmpdi_unsigned"
[(set (reg:CC_CZ CC_REGNUM)
(compare:CC_CZ (match_operand:DI 0 "s_register_operand" "r")
(match_operand:DI 1 "arm_di_operand" "rDi")))]
"TARGET_32BIT"
"cmp\\t%R0, %R1\;it eq\;cmpeq\\t%Q0, %Q1"
"#" ; "cmp\\t%R0, %R1\;it eq\;cmpeq\\t%Q0, %Q1"
"&& reload_completed"
[(set (reg:CC CC_REGNUM)
(compare:CC (match_dup 2) (match_dup 3)))
(cond_exec (eq:SI (reg:CC CC_REGNUM) (const_int 0))
(set (reg:CC CC_REGNUM)
(compare:CC (match_dup 0) (match_dup 1))))]
{
operands[2] = gen_highpart (SImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
if (CONST_INT_P (operands[1]))
operands[3] = gen_highpart_mode (SImode, DImode, operands[1]);
else
operands[3] = gen_highpart (SImode, operands[1]);
operands[1] = gen_lowpart (SImode, operands[1]);
}
[(set_attr "conds" "set")
(set_attr "length" "8")]
)